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https://github.com/mongodb/mongo.git
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101 lines
2.7 KiB
JavaScript
101 lines
2.7 KiB
JavaScript
// Basic pairing test
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var baseName = "jstests_pair1test";
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debug = function( p ) {
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// print( p );
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}
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ismaster = function( n ) {
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var im = n.getDB( "admin" ).runCommand( { "ismaster" : 1 } );
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// print( "ismaster: " + tojson( im ) );
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assert( im, "command ismaster failed" );
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return im.ismaster;
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}
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var writeOneIdx = 0;
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writeOne = function( n ) {
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n.getDB( baseName ).z.save( { _id: new ObjectId(), i: ++writeOneIdx } );
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}
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getCount = function( n ) {
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return n.getDB( baseName ).z.find( { i: writeOneIdx } ).toArray().length;
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}
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checkWrite = function( m, s ) {
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writeOne( m );
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assert.eq( 1, getCount( m ) );
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check( s );
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}
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check = function( s ) {
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s.setSlaveOk();
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assert.soon( function() {
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return 1 == getCount( s );
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} );
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sleep( 500 ); // wait for sync clone to finish up
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}
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// check that slave reads and writes are guarded
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checkSlaveGuard = function( s ) {
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var t = s.getDB( baseName + "-temp" ).temp;
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assert.throws( t.find().count, {}, "not master" );
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assert.throws( t.find(), {}, "not master", "find did not assert" );
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checkError = function() {
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assert.eq( "not master", s.getDB( "admin" ).getLastError() );
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s.getDB( "admin" ).resetError();
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}
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s.getDB( "admin" ).resetError();
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t.save( {x:1} );
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checkError();
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t.update( {}, {x:2}, true );
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checkError();
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t.remove( {x:0} );
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checkError();
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}
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doTest = function( signal ) {
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ports = allocatePorts( 3 );
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a = new MongodRunner( ports[ 0 ], "/data/db/" + baseName + "-arbiter" );
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l = new MongodRunner( ports[ 1 ], "/data/db/" + baseName + "-left", "127.0.0.1:" + ports[ 2 ], "127.0.0.1:" + ports[ 0 ] );
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r = new MongodRunner( ports[ 2 ], "/data/db/" + baseName + "-right", "127.0.0.1:" + ports[ 1 ], "127.0.0.1:" + ports[ 0 ] );
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rp = new ReplPair( l, r, a );
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rp.start();
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rp.waitForSteadyState();
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checkSlaveGuard( rp.slave() );
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checkWrite( rp.master(), rp.slave() );
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debug( "kill first" );
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rp.killNode( rp.master(), signal );
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rp.waitForSteadyState( [ 1, null ], rp.slave().host );
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writeOne( rp.master() );
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debug( "restart first" );
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rp.start( true );
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rp.waitForSteadyState();
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check( rp.slave() );
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checkWrite( rp.master(), rp.slave() );
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debug( "kill second" );
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rp.killNode( rp.master(), signal );
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rp.waitForSteadyState( [ 1, null ], rp.slave().host );
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debug( "restart second" );
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rp.start( true );
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rp.waitForSteadyState( [ 1, 0 ], rp.master().host );
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checkWrite( rp.master(), rp.slave() );
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ports.forEach( function( x ) { stopMongod( x ); } );
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}
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doTest( 15 ); // SIGTERM
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doTest( 9 ); // SIGKILL
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